<http://schema.org/category>
"DVR \u0441 \u043A\u0430\u043C\u0435\u0440\u0430"^^<http://www.w3.org/2001/XMLSchema#string>
<http://get.bg/spy-shop-mrezhovo-dvr-ustrojstvo-bez-displej-4-kanalno-pa8904h.html>